| Acronym | Meaning |
| IDD | Internet Data Distribution |
| SPECMAP | Spectral Mapping |
| CCAA | Canadian Clean Air Act |
| NOC | Naval Oceanographic Command |
| MB | Millibar |
| VWS | Vertical Wind Shear |
| TAP | Diffusion Transport Models |
| AMS | Atomic Mass Spectrometry |
| PMIP | Paleoclimate Modeling Intercomparison Project |
| AMIR | Advanced Microwave Imaging Radiometer |